For the past few weeks we've been staying late at the office, but not for the reasons you might think. We've been busy unleashing our inner rock stars.

Singtrix Party Bundle Limited Edition

Price: $345

Ok, I'm going to let you in on a little secret. I've had a thing for karaoke ever since my grandmother bought me a Lonestar Singalodeon K-2 off of QVC, and my best friend and I began spending hours rapping along to "Ice Ice Baby" in my room. So when I finally had the chance to review the Singtrix Studio, I jumped at the opportunity. What I didn't expect was just how much attention the device would garner from my co-workers who lined up to take their turns on the mic.

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The appeal of Guitar Hero was that it allowed people to feel like guitar gods even if they'd never picked up a real instrument. Here, the creators behind that game did the same thing for your voice. Singtrix offers three levels of vocal sweetening and pitch correction: Pro, which is your natural voice; Semi-Pro, which corrects your pitch but does not sweeten your voice, and Amateur, which turns ordinary voices into extraordinary ones—and will alleviate any karaoke-phobe's fears.

For less than the cost of a new gaming system, the Singtrix Party Bundle comes with everything you need to start rocking out. It includes a 40-watt 2.1 channel speaker with built-in subwoofer, two custom microphones, an adjustable mic stand, holders for your smartphone or tablet. And most important is the Singtrix Studio—a powerful vocal processor preloaded with more than 300 different effects. While the bundle is impressive, the Studio unit and its algorithm are the star of the show.

The Studio can add complex harmonies from your favorite solo track, transform your vocals into a deep Barry White baritone, or make you sound like anything from a sexy lady to a funky robot to our personal fave, the super-high-pitched flea. There are also a number of presets with specific popular songs in mind, including Lady Gaga's "Bad Romance" and Jay-Z's "99 Problems." You can even take a stab at the complex multi-part harmonies of Queen's "Bohemian Rhapsody" if you're feeling daring. Feel free to mix and match vocal styles at will. And you can always trigger those extra big vocal choruses by pressing the "Hit" button on the mic.

In a move that's sure to set any karaoke lover's heart a-flutter, Singtrix allows you to supply your own tunes through any device with a headphone jack, though it works best with a smartphone or tablet). Just fire up YouTube (Vevo has a robust dedicated Karaoke channel), your iTunes library, an online music service like Spotify, or Singtrix's own branded app, which for a monthly subscription fee provides access to a library of more than 13,000 karaoke tracks and counting. The built-in Song Voice feature strips the lead vocals from just about any song you can throw at it, allowing you to sing along with the rest of the band without fighting for the spotlight.

I'll admit, it can be a little intimidating when that 27-pound box first arrives on your doorstep, but set up is surprisingly simple. In fact, it took us longer to decide what song we were going to sing first than it did to put the whole thing together. (For the record, it was Rick James' "Super Freak.") To me, that's a testament to the versatility and fun factor built into the machine, which delivers the professional karaoke experience to the masses and turns your house into party central.